Finding the Fourth Proportional to 282,183.48, 389,430.70 and 186,524.28
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Solution
The fourth proportional to 282,183.48, 389,430.70 and 186,524.28 is: 257,415.07
Step by Step Solution
- Step 1: Write the proportion equation
282,183.48 : 389,430.70 = 186,524.28 : x - Step 2: Convert to fraction form
282,183.48/389,430.70 = 186,524.28/x - Step 3: Cross multiply
282,183.48x = 389,430.70 × 186,524.28 - Step 4: Simplify right side
282,183.48x = 72,638,280,927.40 - Step 5: Solve for x
x = 72,638,280,927.40/282,183.48 - Step 6: Final answer
x = 257,415.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.